Plants of
South Australia
Lawrencella davenportii
Compositae
Sticky Everlasting
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Regional Species Conservation Assessments per IBRA subregion.
Least concern
Near threatened
Rare
Vulnerable
Endangered
Critically endangered
Extinct
Data deficient
Adelaide
Arkaroola
Ceduna
Coober Pedy
Hawker
Innamincka
Marla
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Oodnadatta
Renmark
Wudinna
Keith
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Botanical art

Kath Alcock paintings: 4.

Etymology

Lawrencella probably named after Robert William Lawrence (1807–1833), a settler in Tasmania who was recruited by W. Hooker in 1830 as a plant collector and sent specimens to Kew. Davenportii possibly named after Sir Samuel Davenport (1818-1906), one of the early settlers of Australia who became a landowner, parliamentarian and president of the Royal Agricultural and Horticultural Society in South Australia.

Distribution and status

Found in the western half of South Australia, growing in mulga woodland on sandy loam soils and in mallee shrubland in sand dune areas. Also found in Western Australia and the Northern Territory. Native. Common in South Australia. Common in the other states.
Herbarium regions: North Western, Lake Eyre, Nullarbor, Gairdner-Torrens, Eyre Peninsula
NRM regions: Alinytjara Wilurara, Eyre Peninsula, South Australian Arid Lands
AVH map: SA distribution map (external link)

Plant description

Annual herb to 40 cm tall, usually with several erect unbranched hairy stems. Leaves basal on each stem, linear-oblanceolate to linear, flat, with a usually entire, sometimes shallowly wavy margin, to 140 cm long and 10 mm wide, hairy on both sides like the stems. Flower-heads solitary, on a long stalk with pink to white papery daisy flower. Flowering between July and October. Fruits are white fluffy head. Seed embryo type is spatulate fully developed.

Seed collection and propagation

Collect seeds between September and December. Collect whole heads that are drying off and fluffy or collect just the seeds by plucking it off with your fingers. Mature seeds are easily removed. Place the heads in a tray for a week to dry. Then pluck the seeds from the head with your finders. Viable seeds will be fat and brown. Store the seeds with a desiccant such as dried silica beads or dry rice, in an air tight container in a cool and dry place. From one collection, the seed viability was high, at 90%. Seeds are non-dormant, viable seed should germinate readily.

Seeds stored:
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LocationNo. of seeds
(weight grams)
Number
of plants
Date
collected
Collection number
Collection location
Date
stored
% ViabilityStorage
temperature
BGA2,900 (19.65 g)50+16-Sep-2009TST753
Gairdner-Torrens
1-Jun-201090%-18°C
Location: BGA — the seeds are stored at the Adelaide Botanic Gardens, MSB — the seeds are stored at the Millennium Seed Bank, Kew, England.
Number of plants: This is the number of plants from which the seeds were collected.
Collection location: The Herbarium of South Australia's region name.
% Viability: Percentage of filled healthy seeds determined by a cut test or x-ray.